タイトルヨミ
ホウワ シボウサン エステル ノ ネツブンカイ (ダイⅠホウ) : カプロンサン メチル エチル n-プロピルエステル ノ ネツブンカイ
著者
宮川 正美 鳥取大学教育学部化学教室
荒木 次郎
抄録
1. Caproic acid, methyl-, ethyl- and n-propyl caproate were pyrolyzed. In gaseous products of these substances were recognized hydrogen, carbon monoxide, methane, carbon dioxide, ethane, ethylene, propane, propylene, n-butane, butane-1, iso-butane, trans-butane-2, cis-butane-2, n-pentane and pentene-1.
2. Scarcely any change in acid value of the pyrolyzed liquid of methyl ester was observed with increasing temperature. The same result held good in percentage of decomposition.
3. Ethyl- and n-propyl ester showed, with increasing temperature, a remarkable increase in acid value, and, on the other hand, a decrease in ester value. Gaschromatogram also showed the increasing tendency in caproic acid as free fatty acid.
4. In pyrolyzed gas of methyl ester were recognized carbon monoxide and methane in comparatively large amount ; of ethyl ester, much ethylene was detected ; of n-propyl ester, a large amount of propylene was observed.
5. Such ester containing beta-hydrogen as ethyl ester or n-propyl could easily be pyro-lyzed into acid and olefin, while methyl ester without beta-hydrogen could hardly be pyrolyzed into acid and olefin.
出版者
鳥取大学学芸学部
資料タイプ
紀要論文
ISSN・ISBN
04935608
書誌ID
AN00174530
掲載誌名
鳥取大学学芸学部研究報告. 自然科学
最新掲載誌名
鳥取大学教育学部研究報告. 自然科学
15
開始ページ
100
終了ページ
108
発行日
1954-12-15
著者版フラグ
その他
掲載情報
鳥取大学学芸学部研究報告. 自然科学. 1954, 15, 100-108
部局名
地域学部・地域学研究科
言語
日本語